Purchase and sale of Illinois coal on specification,
Parr, Samuel Wilson, 1857-1931.
Purchase and sale of Illinois coal on specification, by S. W. Parr. Work in cooperation with Illinois coal mining investigations, and University of Illinois. - Urbana, Illinois state geological survey, University of Illinois, 1914. - 80 p. illus., fold. map. 26 cm.
gs 15000381
Coal--Illinois.
QE105 / .A16 no. 29
Purchase and sale of Illinois coal on specification, by S. W. Parr. Work in cooperation with Illinois coal mining investigations, and University of Illinois. - Urbana, Illinois state geological survey, University of Illinois, 1914. - 80 p. illus., fold. map. 26 cm.
gs 15000381
Coal--Illinois.
QE105 / .A16 no. 29